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Syntax aware lstm model for semantic role labeling

  • Feng Qian
  • , Lei Sha
  • , Baobao Chang
  • , Lu Chen Liu
  • , Ming Zhang*
  • *Corresponding author for this work
  • Peking University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In Semantic Role Labeling (SRL) task, the tree structured dependency relation is rich in syntax information, but it is not well handled by existing models. In this paper, we propose Syntax Aware Long Short Time Memory (SA-LSTM). The structure of SA-LSTM changes according to dependency structure of each sentence, so that SA-LSTM can model the whole tree structure of dependency relation in an architecture engineering way. Experiments demonstrate that on Chinese Proposition Bank (CPB) 1.0, SA-LSTM improves F1 by 2.06% than ordinary bi-LSTM with feature engineered dependency relation information, and gives state-of-the-art F1 of 79.92%. On English CoNLL 2005 dataset, SA-LSTM brings improvement (2.1%) to bi-LSTM model and also brings slight improvement (0.3%) when added to the stateof- the-art model.

Original languageEnglish
Title of host publicationEMNLP 2017 - Conference on Empirical Methods in Natural Language Processing, Proceedings of the 2nd Workshop on Structured Prediction
PublisherAssociation for Computational Linguistics (ACL)
Pages27-32
Number of pages6
ISBN (Electronic)9781945626937
StatePublished - 2017
Externally publishedYes
Event2nd Workshop on Structured Prediction for Natural Language Processing, SPNLP 2017, held in conjunction with the Conference on Empirical Methods in Natural Language Processing, EMNLP 2017 - Copenhagen, Denmark
Duration: 9 Sep 2017 → 11 Sep 2017

Publication series

NameEMNLP 2017 - Conference on Empirical Methods in Natural Language Processing, Proceedings of the 2nd Workshop on Structured Prediction

Conference

Conference2nd Workshop on Structured Prediction for Natural Language Processing, SPNLP 2017, held in conjunction with the Conference on Empirical Methods in Natural Language Processing, EMNLP 2017
Country/TerritoryDenmark
CityCopenhagen
Period9/09/17 → 11/09/17

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